NYC-WTC_000202525

NYC 9/11 Public Portal Document

01/07/2003 T2:l8 6ia9219E,67 PSC: ANALYTICAL'^ SYS. PAGE 07/19

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTli'tG ■EPAPA-Ootas -NV t»H/NELAC 10908 •NJDEPPWZQ ■ 4*4» mtetwHia PAI sees ■AIMA accreditation no. 100439 -PA OEP 06-353 VoTDPHPH-02Se ■NC0ENRi99 I , < Certificate of Analytical Re,units 7 ’/'? /for ' ? ATG Associates WorkOrdet: R03O10042 Client Reference: 19125-0246.' Hyth’ocarbqns

Analyte Concentration Liinit of Test Date Analyzed Detection Method /Analyst (ug) L (mg/nC) i (ppm) fusl I' Client ID: ATC-1231-STY-VOC4 (Blank) LablD: -t)4A Date Sampled: 12/31/200 Matrix: Charcoal AirV61(t): NA

1,1,1-Trichloroethane <20 20 OSHA 7 01/04/2003 JLS

1,2-Dichloroathane <20 20 OSHA 7 0V04/2CO3 JLS

A Hyarocarbofis, Total <20 20 OSHA? .01/04/2003 JLS' Acetone <20 20 OSHA 7 01/04/2OO3 JLS

B Hydrocarbons, Total <20 20 T OSHA7 01/04/2003 JLS

Benzene I <20 ■20 OSHA 7 01/04/2003 JLS

Chlorobenzene <20 20 OSHA 7 01/04/2003 JLS

ChlOWQTO <20 20 OSHA 7 01/04/2003 JLS Ethylbenzene ■T<2O 20 OSHA 7 01/04/2003 JLS

Hexana. <20 20 OSHA7 01/04/2003 JLS

Isopropylbenzene <20 20 0SHA7 01/04/2003 JLS

Methylene Chloride <20 20 OSHA 7 01/04/2003 JLS

Pentane <20 20 OSHA 7 01/04/2003 JLS

Styrsne <20 20 OSHA7 01/04/2003 JLS Tetrachloroelhene <20 29 OSHA 7 01/04/200S JLS

Toluene <20 20 OSHA7 01/04/2003 JLS

Triohlofoathene <20 20 OSHA 7- 01/04/2003 JLS

xylenes, Total <20, 20 OSHA? 01/04/2OO3 JLS

General Notes: <: Less chan, the indicated limit of detection (LOD’I- Information not available or not applicable. Concentrations arc calculated baaed on air volumes previded by the client .

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